Abstract
Korean black raspberry (Rubus coreanus) wine was solvent-fractionated with n-hexane, ethyl acetate, and n-butanol and the n-butanol layer was purified by various column chromatographic procedures, including Amberlite XAD-2, Sephadex LH-20, and octadecylsilane resins as well as high performance liquid chromatography. Two novel glycosyl cinnamic and benzoic acids were isolated and their structures were (E)-8-O-β-d-glucopyranosylcinnamic acid (1) and 3′-[O-β-d-glucopyranosyl)(1″→6′)-α-d-psicofuranosyl] benzoate (2) based on the spectroscopic data obtained by high resolution fast-atom bombardment mass spectroscopy and nuclear magnetic resonance analyses.
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